/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package Controler;

import Services.LogIn;
import Util.Constantes;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Sixviv
 */
public class LogControler extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        LogIn logueo = new LogIn();
        String user = request.getParameter("username");
        String pass = request.getParameter("password");
        int respuesta = logueo.validate(user, pass);
        request.getSession().setAttribute("idAlumno", logueo.getIdAlumno());
        switch(respuesta){
            case Constantes.EXITO_ALUMNO:
                request.setAttribute("nombre", user);
                request.getRequestDispatcher("pantallaAlumno.jsp").include(request,response);
                break;
            case Constantes.EXITO_MAESTRO:
                request.getRequestDispatcher("pantallaProfesor.jsp").include(request,response);
                break;
            case 0:
                out.println("<script type='text/javascript'>alert('No se encontro el usuario');</script>");
                request.getRequestDispatcher("index.jsp").include(request,response);
                break;
            case 1:
                out.println("<script type='text/javascript'>alert('Contraseña no valida');</script>");
                request.getRequestDispatcher("index.jsp").include(request,response);
                break;

        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
